Nick and Hank investigate a possible homicide where the victim was Keith Harrow, Sara Fisher's abusive ex-husband & a wesen called siegbarste (ogre-like wesen). It appears that he has died from asphyxiation by clay. It turns out he was killed by a Golem who was called upon by the Rabbi brother of the victim's ex-wife,Grimm Seasons 1-5 DVD Ben Fisher. Trubel's presence still doesn't sit well with Wu. Elizabeth finds a way to restore Nick's Grimm powers, but requires a special something to make it happen.Juliette tells Nick that he needs to be a Grimm again after the most recent attack on Monroe and Rosalee regarding their marriage. Later, Nick and Hank investigate a weird and unusual sacrificing wesen ritual by a Phansigar (komodo dragon-like wesen). Nick finally gets his Grimm power abilities back. Trubel deals with being watched by another agent who works for Chavez, as well as Josh Porter arriving on the scene.